diff --git a/radio/src/eeprom_conversions.cpp b/radio/src/eeprom_conversions.cpp
index 0e325d247..24d4bb3a5 100644
--- a/radio/src/eeprom_conversions.cpp
+++ b/radio/src/eeprom_conversions.cpp
@@ -224,7 +224,7 @@ void ConvertModel_215_to_216(ModelData &model)
   }
   g_model.protocol = oldModel.protocol;
   g_model.thrTrim = oldModel.thrTrim;
-  g_model.trimInc = oldModel.trimInc;
+  g_model.trimInc = oldModel.trimInc - 2;
   g_model.disableThrottleWarning = oldModel.disableThrottleWarning;
   g_model.extendedLimits = oldModel.extendedLimits;
   g_model.extendedTrims = oldModel.extendedTrims;
diff --git a/radio/src/gui/menu_model.cpp b/radio/src/gui/menu_model.cpp
index d1f9889fb..1fc493ce5 100644
--- a/radio/src/gui/menu_model.cpp
+++ b/radio/src/gui/menu_model.cpp
@@ -1106,7 +1106,7 @@ void menuModelSetup(uint8_t event)
         break;
 
       case ITEM_MODEL_TRIM_INC:
-        g_model.trimInc = selectMenuItem(MODEL_SETUP_2ND_COLUMN, y, STR_TRIMINC, STR_VTRIMINC, g_model.trimInc, 0, 4, attr, event);
+        g_model.trimInc = selectMenuItem(MODEL_SETUP_2ND_COLUMN, y, STR_TRIMINC, STR_VTRIMINC, g_model.trimInc, -2, 2, attr, event);
         break;
 
       case ITEM_MODEL_THROTTLE_REVERSED:
diff --git a/radio/src/myeeprom.h b/radio/src/myeeprom.h
index bbf184de6..64d168787 100644
--- a/radio/src/myeeprom.h
+++ b/radio/src/myeeprom.h
@@ -1424,7 +1424,7 @@ PACK(typedef struct t_ModelData {
   uint8_t   thrTrim:1;            // Enable Throttle Trim
   AVR_FIELD(int8_t    ppmNCH:4)
   ARM_FIELD(int8_t    spare2:4)
-  uint8_t   trimInc:3;            // Trim Increments
+  int8_t    trimInc:3;            // Trim Increments
   uint8_t   disableThrottleWarning:1;
   ARM_FIELD(uint8_t displayText:1)
   AVR_FIELD(uint8_t pulsePol:1)
diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index ee634a7d2..e135f73c1 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -2293,12 +2293,12 @@ void checkTrims()
   uint8_t event = getEvent(true);
   if (event && !IS_KEY_BREAK(event)) {
     int8_t k = EVT_KEY_MASK(event) - TRM_BASE;
-    int8_t s = g_model.trimInc;
+    int8_t s = g_model.trimInc + 2; // TODO check flash usage, below we do arithmetics again ...
 #else
 uint8_t checkTrim(uint8_t event)
 {
   int8_t k = EVT_KEY_MASK(event) - TRM_BASE;
-  int8_t s = g_model.trimInc;
+  int8_t s = g_model.trimInc + 2; // TODO check flash usage, below we do arithmetics again ...
   if (k>=0 && k<8 && !IS_KEY_BREAK(event)) {
 #endif
     // LH_DWN LH_UP LV_DWN LV_UP RV_DWN RV_UP RH_DWN RH_UP
diff --git a/radio/src/translations/en.h b/radio/src/translations/en.h
index 62876daf9..175d9769b 100644
--- a/radio/src/translations/en.h
+++ b/radio/src/translations/en.h
@@ -71,8 +71,8 @@
 #define LEN_COUNTRYCODES       TR("\002", "\007")
 #define TR_COUNTRYCODES        TR("US""JP""EU", "America""Japan\0 ""Europe\0")
 
-#define LEN_VTRIMINC           TR("\006","\013")
-#define TR_VTRIMINC            TR("Expo  ""ExFine""Fine  ""Medium""Coarse","Exponential""Extra Fine ""Fine       ""Medium     ""Coarse     ")
+#define LEN_VTRIMINC           TR("\006", "\013")
+#define TR_VTRIMINC            TR("Expo\0 ""ExFine""Fine\0 ""Medium""Coarse", "Exponential""Extra Fine\0""Fine\0      ""Medium\0    ""Coarse\0    ")
 
 #define LEN_VBEEPCOUNTDOWN     "\006"
 #define TR_VBEEPCOUNTDOWN      "SilentBeeps\0Voice\0"